>sp|P12490|ENV_HV1N5 Truncated surface protein OS=Human immunodeficiency virus type 1 group M subtype B GN=env
MRAKGTRKNYQHLWRWGTMLLGMLMICSAAEQLWVTVYYGVPVWKEATTTLFCASDAKAY
DTEVHNVWATHACVPTDPNPQEVVLQNVTENFNMWKNNTVEQMHEDIISLWDQSLKPCVK
STPLCVTLNCTDLTNATYANGSSEERGEIRNCSFNVTTIIRNKIQKEYALFYRLDIVPID
KDNTSYTLINCNTSVITQACPKVSFEPIPIHYCAPAGFAILKCNDKKFNGTGPCTNVSTV
QCTHGIKPVVSTQLLLNGSLAEGEVVIRSENFTNNAKTIIVQLNKSVEINCTRPNNNTKK
GIAIGPGRTLYAREKIIGDIRQAHCNISKAKWNDTLKQIVTKLKEQFRNKTIVFNQSSGG
DPEIVMHSFNCGGEFFYCKTTQLFNSTWLFNSTWNDTERSDNNETIIIPCRIKQIINSGR
K